Best 4 Ch Usb Dvr

eRapta Backup Camera System 3.0 with AHD 7 Monitor Built-in DVR Back Up Rear and Side Colorful Night Vison IP69K Waterproof Camera Kit Avoid Any Blind Spot for RV Truck Trailer Semi Box EHD3

Upgraded Touch Screen: Vehicle Backup Camera System with the latest 3.0 Sharp Chip built into the monitor, resolution is 1920 × 1080, present better....
Waterproof AHD Camera: All-metal heavy duty camera is highest IP69k Waterproof. Fully sealed design and metal quality sure long use life. Don't worry....
Upgrade Split Screen: This capacitive touch monitor has 4 split screen, Support Full/Dual/Three/Quad screenw(CH1/CH2/CH3/CH4), the most convenient....
Multi Function: Excellent Built-in DVR system with 32G SD card, can automatically loop record in driving. Guide lines on/off, to help better reversing....
Flexible Vehicle Comatability: Universal Car Camera Backup System adapta to the voltage range from 12-24V DC Power, the complete camera kit perfect....

...tem setting -- image and sound -- voice setting -- digital audio output -- PCM..
WIDE COMPATIBILITY- HDMI to Optical Audio Adapter suitable for various HDMI source devices to meet different needs. HDMI input: Blu-ray/ DVD/ HD player, cable/satellite box, Fire TV, Apple TV, PS3/PS4/PS5, Xbox, PC/laptop, HD camera, HD DVR etc. HDMI Output: Full HD TV, Monitor, Projector. Audio format: Speaker, Amplifier, Soundbar, D-o-l-b-y Digital, Dobly TrueHD, PCM 5.1/2.0.(Not suitable for passive speakers，An amplifier is required for use with this speaker).

...on your smartphone or tablets. All your cameras can be centrally managed on this DVR, remote view your home or office anytime anywhere!.
Support 4 Channel Audio, 4 Channel Alarm, support Surge Protection CoC, support Multiple users online. Internal HDD 1 x SATA (Up to 6TB), External HDD N/A, auxiliary interface usb 2x USB2.0, one for mouse & one for backup , 1 x RS485 Connect to PTZ or keyboard..
[Recommend Same Series HDView Brand Camera] 1-year quality Warranty ! Life time Tech Support ! We provide 7/24 friendly technological support and customer service. You can contact us any time when you have questions concerning our device, just click the store name and write to us!.

【2K+ 5MP full HD video】--They are capable of recording a 2K+ pixel resolution, 2.5 x better than 1080P Full HD, super high definition video to see....
【Built in 2TB security Grade hard Drive】-- Support ultra-long continuous recording and backup by USB. DVR can be set to automatically overwrite....
【Smart home/business surveillance kit】-- H.264 8Ch 5MP HD-TVI DVR and (8) 5.0MP night vision weatherproof bullet cameras with 2TB HDD. Just....
【Customizable motion detection zone and alerts 】-- be notified when there are unexpected movements. Smart notifications with image will be pushed....
【View from anywhere anytime】-- The free App ZOSI Smart lets you see all of your cameras in one place. Check in on your home or business wherever....

3x1 HDMI Switch with Audio Extractor: It's not only a HDMI 3x1 Swtich with PIP fuction, but also a HDMI Audio Extractor. Comes with a 3.5mm to RCA cable, you have three modes of audio output..
HDMI 1.4 Version with HDMI Cable：This HDMI Switch input resolution: up to [email protected],2016P,3D,supports Video EDID Pass Through, Audio EDID Settings: 2CH and 5.1CH, Our HDMI Switcher NOT support HDCP 2.2.
3 HDMI input converter to 1 HDMI Display(Pass Mode)+ optical Toslink Output(5.1CH Mode) or stereo audio output(2CH Mode) come with RCA Cable.
High Quality ABS plastic casing, 24K gold-plated connectors.
Reduce signal loss, get a better output signal. 【Note: The switch cann't be used with other converter, such as HDMI to DVI Converter.】.
Wide Compatible: Suitable for various HDMI source devices like Roku or Chromecast without dedicated audio output as well as Blu-ray/ DVD/ HD player, cable/satellite box, Amazon Fire TV,PS3/4, Apple TV, Xbox, PC/laptop, HD camera, HD DVR etc. (NOTE: Not for PS5).

...% storage compared with H.264, and thus effectively saving storage resources and provides an excellent and smooth viewing experience..
Recycle record. You can customize each camera with different recording modes, and download the recording files for the USB backup..

16CH HD CCTV DVR with additional 8 channels for IP cameras [ANY OF THE 16CH ANALOG INPUT CONVERTIBLE TO IP (UP TO 24CH IP)].
Supported cameras: up to 8MP HD-TVI, 4MP AHD, 2MP HD-CVI, 6MP IP CAMERAS (8ch), and regular analog cameras. Self-adaptive HD-TVI/ HD-CVI/AHD/CVBS....
Two SATA interface for HDD (HDD not included). Supports up to 8TB HDD..

8CH 1080N/720P 4-IN-1 HD-TVI DVR-- This 8channel 4-in-1 DVR which supports Analog, HD-TVI, CVI ,AHD Camera. it provides you the flexibility to add....
Customizable advanced motion detection-- Be notified when there are unexpected movements. Smart notifications with image will be pushed to your....
View from anywhere anytime-- The ZOSI VIEW free app or ZOSI smart app lets you see all of your cameras in one place. Check in on your home or business....
No Include Cameras and Hard Drive--This system does not come with cameras and hard drive. Assembling a 3.5-inch SATA 500GB to 2TB hard drive is....

...D, DTS-HD, AC3, DTS, DSD audio format, But can’t decode these audio formats..
【Wide compatibility】Suitable for various HDMI source devices like Roku or Chromecast without dedicated audio output as well as Blu-ray/ DVD/ HD player, cable/satellite box, Amazon Fire TV, HD TV, PS3/4, Xbox, PC/laptop, HD camera, HD DVR etc.
It is not recommended to use DVI as a signal source!.
【Three NEW Audio EDID Settings】Pass, 2CH and 5.1CH, Support 3D video (To get 3D, all units connected to the splitter outputs must support 3D). Plug and Play.Note:Our product don’t support Dobly Digital plus and CEC function.

...PDIF Output, Supports uncompressed audio such as LPCM..
【Wide Compatible】HDMI to HDMI plus audio converter compatible with various HDMI source devices. HDMI input: Blu-ray player, DVD, HD player, cable/satellite box, Amazon Fire TV, Apple TV, PS3/4 Pro, Xbox, PC/laptop, HD camera, Chromecast, Fire Stick, Roku,HD DVR etc. HDMI Output: Full HD TV, Monitor, Projector. Audio output: Speaker, amplifier,soundbar or other sound systems..